I just read an article on Montana Fish, Wildlife and Parks, that they are requesting an increase on all hunting and fishing licenses for residents. When compared to other states like Utah, where I pay about $27 for a annual fishing license, Montana’s $13 annual rate seems pretty low. Also take into consideration that Montana’s hunting and fishing license fees have remained the same for 10 years.
Here is a table showing the proposed increases. I think $20 is a reasonable price, given what you get in return.